Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: PHLAPAFGX0Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
302-418 A Holly Oak DE 1991 CORETEL DELAWARE, INC. - DE 228      
302-460 A Delaware City DE 1991 CORETEL DELAWARE, INC. - DE 228      
302-726 A Angola DE 516J TON80 COMMUNICATIONS, LLC 228      
302-742 A Delaware City DE 516J TON80 COMMUNICATIONS, LLC 228      
445-237 A Philadelphia Zone 2 PA 3806 CORE COMMUNICATIONS, INC. - PA 228      
445-323 A Philadelphia Zone 4 PA 516J TON80 COMMUNICATIONS, LLC 228      
445-542 A Harleysville PA 516J TON80 COMMUNICATIONS, LLC 228      
445-622 A Philadelphia Suburban Zone 32 PA 516J TON80 COMMUNICATIONS, LLC 228      
445-787 A Philadelphia Suburban Zone 43 PA 3806 CORE COMMUNICATIONS, INC. - PA 228      
445-837 A Plumsteadville PA 516J TON80 COMMUNICATIONS, LLC 228      
445-866 A Philadelphia Suburban Zone 43 PA 516J TON80 COMMUNICATIONS, LLC 228      
484-390 A Philadelphia Suburban Zone 29 PA 3806 CORE COMMUNICATIONS, INC. - PA 228      
484-520 A Birdsboro PA 516J TON80 COMMUNICATIONS, LLC 228      
484-647 A New Smithville PA 3806 CORE COMMUNICATIONS, INC. - PA 228      
484-814 A Springtown PA 3806 CORE COMMUNICATIONS, INC. - PA 228      
484-827 A Philadelphia Suburban Zone 10 PA 516J TON80 COMMUNICATIONS, LLC 228      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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